So great is the media pressure focusing on health and body image these days that finally, after giving it a lot of thought, I decided to spend some time in one of those beauty spas that promise to cleanse every toxin out of your body, leaving you brand new and a few years younger, almost as if they were talking about a tune-up for a luxury car. I say "luxury" because of the price they charged me.There were a lot of people there in white coats, who...